Chapter: The Caliphates of Abū Bakr, Umar, Uthmān, and Alī—may Allah be pleased with them and benefit us through our love for them
Muhammad ibn al-Husayn, may Allah have mercy on him, said:
Know—may Allah have mercy on us and you—that the caliphates of Abū Bakr, Umar, Uthmān, and Alī, may Allah be pleased with them, are clearly established in the Book of Allah, Mighty and Majestic, in the Sunnah of the Messenger of Allah, peace and blessings be upon him, in the statements of the Companions of the Messenger of Allah, peace and blessings be upon him, and in the statements of those who followed them in righteousness. No Muslim who understands Allah’s teachings ought to doubt this.
As for the evidence from the Quran, Allah, Mighty and Majestic, says:
“Allah has promised those of you who believe and do righteous deeds that He will surely make them successors in the land, as He made those before them successors; that He will surely establish for them their religion, which He has chosen for them; and that He will surely replace their fear with security: They worship Me, associating nothing with Me.” [al-Nūr: 55]
Muhammad ibn al-Husayn, may Allah have mercy on him, said:
By Allah, Allah the Generous fulfilled what He had promised them. He made them the caliphs after the Messenger of Allah, peace and blessings be upon him, established them throughout the lands, and granted them conquests. They acquired wealth as spoils and took the unbelievers’ women and children captive. Many people embraced Islam during their caliphates. They fought those who had renounced Islam until they drove them away, while some returned to Islam. This is what Abū Bakr al-Siddīq, may Allah be pleased with him, did, and thus it was that